Bug #66302 [Opn->Dup]: SegFault on list() assignment with class variable multiple assignment

From: Date: Mon, 16 Dec 2013 16:59:40 +0000
Subject: Bug #66302 [Opn->Dup]: SegFault on list() assignment with class variable multiple assignment
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=66302&edit=1

 ID:                 66302
 Updated by:         bwoebi@php.net
 Reported by:        php at dynamicplus dot it
 Summary:            SegFault on list() assignment with class variable
                     multiple assignment
-Status:             Open
+Status:             Duplicate
 Type:               Bug
 Package:            Reproducible crash
 PHP Version:        5.5.7
 Block user comment: N
 Private report:     N

 New Comment:

Duplicate of #65969 (Should be fixed in master and next php 5.4.* or php 5.5.*)


Previous Comments:
------------------------------------------------------------------------
[2013-12-16 15:31:21] php at dynamicplus dot it

Description:
------------
php -n test.php 
Segmentation fault

php -n -v
PHP 5.5.7 (cli) (built: Dec 16 2013 15:06:06) 
Copyright (c) 1997-2013 The PHP Group
Zend Engine v2.5.0, Copyright (c) 1998-2013 Zend Technologies

php -n -m
[PHP Modules]
bcmath
calendar
Core
ctype
curl
date
dom
ereg
exif
fileinfo
filter
gd
hash
iconv
json
libxml
mbstring
mcrypt
mhash
mysql
mysqli
mysqlnd
openssl
pcntl
pcre
PDO
pdo_mysql
posix
Reflection
session
SimpleXML
sockets
SPL
standard
tidy
tokenizer
xml
xmlrpc
xmlwriter
xsl
zip
zlib

[Zend Modules]

Test script:
---------------
<?php

  class SegFault
  {
    public $aClassVariable = NULL;

    public function __construct( )
    {
      list( $aVariable ) = $this->aClassVariable = array( NULL );
    }
  }

  new SegFault( );


Actual result:
--------------
php -n test.php 
Segmentation fault


This runs on PHP 5.3
From PHP >5.3 crashes.




<?php

  class NoSegFault
  {
    public $aClassVariable = NULL;

    public function __construct( )
    {
      $this->aClassVariable = array( NULL );
      list( $aVariable ) = $this->aClassVariable;
    }
  }

  new NoSegFault( );



------------------------------------------------------------------------



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